/Engine/Source/Runtime/Engine/Public/Rendering/SkyAtmosphereCommonData.h
void ComputeViewData ( const FVector & WorldCameraOrigin, const FVector & PreViewTranslation, const FVector3f & ViewForward, const FVector3f & ViewRight, FVector3f & SkyCameraTranslatedWorldOrigin, FVector4f & SkyPlanetTranslatedWorldCenterAndViewHeight, FMatrix44f & SkyViewLutReferential ) const